Louver unit for a tractor cab



FIG. 1 is a rear perspective view of a louver unit for a tractor cab showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a sectional view taken along section line 4--4 on FIG. 2; and

FIG. 5 is a rear elevational view of FIG. 2.

The broken line illustration of the tractor in FIG. 1 indicating the association of the components with the tractor is for illustrative purposes only and forms no part of the invention. 

The ornamental design for a louver unit for a tractor cab, as shown and described. 